Loshinski, Lev Ilich
Pimenov, Sergey Ivanovich
Umnov, Evgeny Ivanovich
Die Schwalbe, 1930
#2
12 + 10
56 | The Problemist | 1980 |
6490 | yacpdb | 2009 |
There are these versions: 145252
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).